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java Programming Glossary: declareWhat is a Null Pointer Exception? http://stackoverflow.com/questions/218384/what-is-a-null-pointer-exception share improve this question When you declare a reference variable i.e. an object you are really creating.. to an object. Consider the following code where you declare a variable of primitive type int int x x 10 In this example.. the memory location pointed to by x. But when you try to declare a reference type something different happens. Take the following..
Maven: add a dependency to a jar by relative path http://stackoverflow.com/questions/2229757/maven-add-a-dependency-to-a-jar-by-relative-path they cause more troubles than benefits. So instead declare a repository local to the project repositories repository id.. Dpackaging myPackaging DlocalRepositoryPath path Finally declare it like any other dependency but without the system scope dependency..
non-static variable cannot be referenced from a static context http://stackoverflow.com/questions/2559527/non-static-variable-cannot-be-referenced-from-a-static-context static . My error is with every single variable that I declare then try to use later inside my methods I get the non static..
What is a raw type and why shouldn't we use it? http://stackoverflow.com/questions/2770321/what-is-a-raw-type-and-why-shouldnt-we-use-it type MyType E because it's static . mt1 and mt2 are both declared with actual type parameters so they're not raw types. What's.. if you DO want names to allow a Boolean then you can declare it as List Object names and the above code would compile. See.. String appendNewObject names compilation error If you had declared appendNewObject to take a raw type List as parameter then this..
What is a serialVersionUID and why should I use it? http://stackoverflow.com/questions/285793/what-is-a-serialversionuid-and-why-should-i-use-it is missing. The serializable class Foo does not declare a static final serialVersionUID field of type long What is serialVersionUID.. in an InvalidClassException . A serializable class can declare its own serialVersionUID explicitly by declaring a field named.. 42L If a serializable class does not explicitly declare a serialVersionUID then the serialization runtime will calculate..
Download a file with Android, and showing the progress in a ProgressDialog http://stackoverflow.com/questions/3028306/download-a-file-with-android-and-showing-the-progress-in-a-progressdialog case we'll update a progress bar . This is an example code declare the dialog as a member field of your activity ProgressDialog.. will look like this usually subclasses of AsyncTask are declared inside the activity class. that way you can easily modify the..
How to parse XML using the SAX parser http://stackoverflow.com/questions/4827344/how-to-parse-xml-using-the-sax-parser is a bit different. Here you don't specify or declare you XML structure but just listening for events. The most widely..
Java: checked vs unchecked exception explanation http://stackoverflow.com/questions/6115896/java-checked-vs-unchecked-exception-explanation should choose one of these log it and return rethrow it declare it to be thrown by the method construct a new exception by passing..
http://stackoverflow.com/questions/102964/jstl-collection-iteration rtexprvalue type java.util.List type attribute ... tag Declare the taglib on the top of your JSP @ taglib uri you taglib uri..
Trying to build a correct SOAP Request http://stackoverflow.com/questions/11763092/trying-to-build-a-correct-soap-request request.addProperty entry.getKey entry.getValue Declare the version of the SOAP request SoapSerializationEnvelope envelope..
Java - Storing SQL statements in an external file http://stackoverflow.com/questions/1544335/java-storing-sql-statements-in-an-external-file pairs like this one users.select.all select from user Declare a private field of type Properties in your DAO class and inject..
How do I get this code to stop input when the sum exceeds 100 and still preform the sum and average? http://stackoverflow.com/questions/18797170/how-do-i-get-this-code-to-stop-input-when-the-sum-exceeds-100-and-still-preform args Use Main Method for gathering input float input 1 Declare variable for sum float theSum 0 Declare variable for average.. float input 1 Declare variable for sum float theSum 0 Declare variable for average float average 0 Declare variable for counting.. theSum 0 Declare variable for average float average 0 Declare variable for counting the number of user inputs int counter..
How to run Spring 3.0 PetClinic in tomcat with Hibernate backed JPA http://stackoverflow.com/questions/2536292/how-to-run-spring-3-0-petclinic-in-tomcat-with-hibernate-backed-jpa SHOULD NOT be used with Hibernate this is for Toplink Declare Hibernate as jpaVendorAdapter comment the Toplink part uncomment..
Connecting to SQL Server 2008 from Java http://stackoverflow.com/questions/2606653/connecting-to-sql-server-2008-from-java 1433 databaseName HelloWorld integratedSecurity true Declare the JDBC objects. Connection con null Statement stmt null ResultSet..
Declare an object inside or outside a loop? http://stackoverflow.com/questions/377763/declare-an-object-inside-or-outside-a-loop an object inside or outside a loop Is there any performance..
How to create my above listview to look more professional? http://stackoverflow.com/questions/5931483/how-to-create-my-above-listview-to-look-more-professional arraylist i.e getVideoFiles create object of this class Declare ArrayList VideoInfo videoItems private void getVideoFiles File..
http://stackoverflow.com/questions/8075790/how-to-register-spring-configuration-annotated-class-instead-of-applicationcont listener class listener Declare a Spring MVC DispatcherServlet as usual servlet servlet name..
Why is Spring's ApplicationContext.getBean considered bad? http://stackoverflow.com/questions/812415/why-is-springs-applicationcontext-getbean-considered-bad will then automatically inject myClass into myOtherClass . Declare everything in this way and at the root of it all have something..
No Session found for current thread (Spring 3.1.X and Hibernate 4) http://stackoverflow.com/questions/8846586/no-session-found-for-current-thread-spring-3-1-x-and-hibernate-4 value property bean Declare a datasource that has pooling capabilities bean id dataSource.. 60 p maxPoolSize 100 p maxStatements 50 p minPoolSize 10 Declare a transaction manager bean id transactionManager class org.springframework.orm.hibernate4.HibernateTransactionManager..
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